# US 2014/0157020 A1 · Wireless communication device, wireless communication method, wireless communication system, and computer-readable recording medium on which control program of wireless communication device has been recoded > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0157020 A1 - Document ID: US20140157020A1 - Status: Published application - Kind: A1 - Application number: 14/176,259 - Filed: 2014-02-10 - Published: 2014-06-05 - Earliest claimed: 2008-08-06 - Assignees: NEC Corporation - Inventors: TAKAHIRO HOSOMI - Web page: https://patentgrep.com/patent/US20140157020A1 ## CPC - H04B 1/036: Cooling arrangements - H04M 1/72403: with means for local support of applications that increase the functionality - H04M 2250/12: including a sensor for measuring a physical value, e.g. temperature or motion - H04B: TRANSMISSION - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) ## Abstract To prevent temperature rise caused by increase in communication speed and increase in output power and to provide a mobile terminal device which has a small size and is of low cost, a wireless communication device comprises: a detection means for detecting the temperature inside the device; and a control means for, when the temperature detected by the detection means becomes a preset first threshold value or more, restricting the maximum value of the transmission speed that a self-device can achieve. ## Claims ### Claim 1 A wireless communication apparatus, comprising: a sensing unit that senses internal temperature; and a control unit that carries out a procedure to transmit first data to a base station in the case that said internal temperature becomes not lower than a predetermined first threshold level, and to set a first communication parameter on the basis of a first response which said base station issues in reply to said first data. ### Claim 2 (depends on 1) The wireless communication apparatus according to claim 1, wherein said first communication parameter is transmitting speed which is used in communication from said wireless communication apparatus to said base station. ### Claim 3 (depends on 2) The wireless communication apparatus according to claim 2, wherein said first data includes information on the maximum transmitting speed which can be used to transmit data to said base station. ### Claim 4 (depends on 1) The wireless communication apparatus according to claim 1, wherein said first communication parameter is transmitting power which is used in communication from said wireless communication apparatus to said base station. ### Claim 5 (depends on 4) The wireless communication apparatus according to claim 4, wherein said first data includes information on the maximum transmitting power which can be used to transmit data to said base station. ### Claim 6 (depends on 1) The wireless communication apparatus according to claim 1, wherein said control unit sets said first communication parameter of said wireless communication apparatus on the basis of a direction from said base station to set MCS (Modulation and Coding Scheme). ### Claim 7 A wireless communication apparatus, comprising: a sensing unit that senses internal temperature; and a control unit that transmits first data to a base station in the case that said internal temperature becomes not lower than a predetermined first threshold level, and for setting a first communication parameter on the basis of a response which said base station issues in reply to said first data, and for transmitting second data to said base station in the case that said internal temperature becomes not lower than a predetermined second threshold level, and for setting a second communication parameter on the basis of a response which said base station issues in reply to said second data. ### Claim 8 (depends on 7) The wireless communication apparatus according to claim 7, wherein said first communication parameter is transmitting speed which is used in communication from said wireless communication apparatus to said base station. ### Claim 9 (depends on 8) The wireless communication apparatus according to claim 8, wherein said first data includes information on the maximum transmitting speed which can be used to transmit data to said base station. ### Claim 10 (depends on 7) The wireless communication apparatus according to claim 7, wherein said first communication parameter is transmitting power which is used in communication from said wireless communication apparatus to said base station. ### Claim 11 (depends on 10) The wireless communication apparatus according to claim 10, wherein said first data includes information on the maximum transmitting power which can be used to transmit data to said base station. ### Claim 12 (depends on 7) The wireless communication apparatus according to claim 7, wherein said second communication parameter is transmitting speed which is used in communication from said wireless communication apparatus to said base station. ### Claim 13 (depends on 12) The wireless communication apparatus according to claim 12, wherein said second data includes information on the maximum transmitting speed which can be used to transmit data to said base station. ### Claim 14 (depends on 12) The wireless communication apparatus according to claim 12, wherein transmitting speed of said second data is lower than transmitting speed which is set to said base station at the time of said internal temperature becomes not lower than said predetermined second threshold level. ### Claim 15 (depends on 7) The wireless communication apparatus according to claim 7, wherein said second communication parameter is transmitting power which is used in communication from said wireless communication apparatus to said base station. ### Claim 16 (depends on 7) The wireless communication apparatus according to claim 7, wherein said second data is transmitting power which is used in communication from said wireless communication apparatus to said base station. ### Claim 17 (depends on 15) The wireless communication apparatus according to claim 15, wherein transmitting power of said second data is lower than transmitting power which is set to said base station at the time of said internal temperature becomes not lower than a predetermined second threshold level. ### Claim 18 (depends on 7) The wireless communication apparatus according to claim 7, wherein said control unit sets said first communication parameter and said second communication parameter on the basis of a direction from said base station to set MCS (Modulation and Coding Scheme). ### Claim 19 (depends on 7) The wireless communication apparatus according to claim 7, wherein temperature corresponding to said first threshold level is lower than temperature corresponding to said second threshold level. ### Claim 20 (depends on 1) A wireless communication system comprising a wireless communication apparatus which is described in claim 1, and said base station. ### Claim 21 A wireless communication method, comprising: sensing internal temperature; transmitting first data to a base station in the case that said internal temperature becomes not lower than a predetermined first threshold level; and setting a first communication parameter on the basis of a first response which said base station issues in reply to said first data. ### Claim 22 A wireless communication method, comprising: sensing internal temperature; transmitting first data to a base station in the case that said internal temperature becomes not lower than a predetermined first threshold level; setting a first communication parameter on the basis of a response which said base station issues in reply to said first data; transmitting second data to said base station in the case that said internal temperature becomes not lower than a predetermined second threshold level; and setting a second communication parameter on the basis of a response which said base station issues in reply to said second data. ### Claim 23 A computer-readable storage medium which stores a control program of a wireless communication apparatus for making a computer carry out: a process of making a sensing unit sense internal temperature; and a process of making a control unit transmit first data to a base station in the case that said internal temperature becomes not lower than a predetermined first threshold level, and of making said control unit set a first communication parameter on the basis of a response which said base station issues in reply to said first data. ### Claim 24 A computer-readable storage medium which stores a control program of a wireless communication apparatus for making a computer carry out: a process of making a sensing unit sense internal temperature; and a process of making a control unit transmit first data to a base station in the case that said internal temperature becomes not lower than a predetermined first threshold level, and of making said control unit set a first communication parameter on the basis of a response which said base station issues in reply to said first data, and of making said control unit transmit second data to said base station in the case that said internal temperature becomes not lower than a predetermined second threshold level, and of making said control unit set a second communication parameter on the basis of a response which said base station issues in reply to said second data. ### Claim 25 A wireless communication apparatus, comprising: a sensing means for sensing internal temperature; and a control means for carrying out a procedure to transmit first data to a base station in the case that said internal temperature becomes not lower than a predetermined first threshold level, and to set a first communication parameter on the basis of a first response which said base station issues in reply to said first data. ### Claim 26 A wireless communication apparatus, comprising: a sensing means for sensing internal temperature; and a control means for transmitting first data to a base station in the case that said internal temperature becomes not lower than a predetermined first threshold level, and for setting a first communication parameter on the basis of a response which said base station issues in reply to said first data, and for transmitting second data to said base station in the case that said internal temperature becomes not lower than a predetermined second threshold level, and for setting a second communication parameter on the basis of a response which said base station issues in reply to said second data.